P0300 on NISSAN SENTRA
Random/Multiple Cylinder Misfire Detected
What P0300 Means on Your NISSAN SENTRA
P0300 is a diagnostic trouble code indicating: Random/Multiple Cylinder Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real NISSAN SENTRA Owner Reports
Source: NHTSA Complaints Database
"The head gasket failed prematurely on my 2005 nissan sentra at 82,450 miles. there was issues when the vehicle would start up in the mornings or on cold starts. engine would misfire 3-5 seconds after starting. i immediately took the vehicle to my local nissan dealership."
"Vehicle started to display "check engine soon" light at aprox. 55,000 miles i took it to dealership for a diagnostic, initially they said it was a bad fuel sensor but after returning car to me p0300 error light came back on next day."
"Number 3 cylinder low compression with only 83k miles on the vehicle. rough engine driving and check engine light on. codes p0300 and p0303 displayed."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on NISSAN SENTRA
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.